Electrochemical sensor for detection of europium based on poly-catechol and ion-imprinted sol-gel film modified screen-printed electrode

Jin, Chen; Bai, Huiyu; Xia, Jieren; Li, Zixuan; Liu, Peng; Cao, Qiue

doi:10.1016/j.jelechem.2018.07.015

Cited by 15 publications

(22 citation statements)

References 37 publications

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“…Considering the toxic effect of europium on health, Chen and co-workers [152] their interest on the development of a sensor for its detection. In this respect, they modified the surface of a SPE by electropolymerization using catechol, resulting in a poly (catechol) layer, after which the MIP layer was deposited.…”

Section: Molecular Imprinting By Sol-gel Derived Techniquesmentioning

confidence: 99%

Applications of Molecularly Imprinted Films

2022

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Section: Molecular Imprinting By Sol-gel Derived Techniquesmentioning

confidence: 99%

Applications of Molecularly Imprinted Films

2022

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“…Europium is a reactive rare earth. The increasing applications of this element in the domain of industrial applications, material science, electronic engineering and life science raised toxilogy concerns, hence its traceability using IIPs [ 131 ].…”

Section: Applications Of Imprinted Polymer-based Electrochemical Sensorsmentioning

confidence: 99%

“… Two step preparation ( a ) and electrochemical Eu(III) sensing performance ( b ) of screen printed electrode coated with polycatechol-IISG bilayer. Adapted with permission of Elsevier from [ 131 ]. …”

Section: Figurementioning

confidence: 99%

Towards Clean and Safe Water: A Review on the Emerging Role of Imprinted Polymer-Based Electrochemical Sensors

Zheng

Khaoulani

Ktari³

et al. 2021

Sensors

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This review critically summarizes the knowledge of imprinted polymer-based electrochemical sensors for the detection of pesticides, metal ions and waterborne pathogenic bacteria, focusing on the last five years. MIP-based electrochemical sensors exhibit low limits of detection (LOD), high selectivity, high sensitivity and low cost. We put the emphasis on the design of imprinted polymers and their composites and coatings by radical polymerization, oxidative polymerization of conjugated monomers or sol-gel chemistry. Whilst most imprinted polymers are used in conjunction with differential pulse or square wave voltammetry for sensing organics and metal ions, electrochemical impedance spectroscopy (EIS) appears as the chief technique for detecting bacteria or their corresponding proteins. Interestingly, bacteria could also be probed via their quorum sensing signaling molecules or flagella proteins. If much has been developed in the past decade with glassy carbon or gold electrodes, it is clear that carbon paste electrodes of imprinted polymers are more and more investigated due to their versatility. Shortlisted case studies were critically reviewed and discussed; clearly, a plethora of tricky strategies of designing selective electrochemical sensors are offered to “Imprinters”. We anticipate that this review will be of interest to experts and newcomers in the field who are paying time and effort combining electrochemical sensors with MIP technology.

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Section: Detection Of Europium Eu 3+mentioning

confidence: 99%

Towards Clean and Safe Water: A Review on the Emerging Role of Imprinted Polymer-Based Electrochemical Sensors

Zheng¹,

Khaoulani²,

Ktari³

et al. 2021

Preprint

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This mini-review critically summarizes the knowledge of imprinted polymer-based electrochemical sensors, for the detection of pesticides, metal ions and waterborne pathogenic bacteria, focusing on the period the last 5 years (citation of 78 papers published in 2017-2021, ie 63% of total citations). MIP-based electrochemical sensors exhibit low limit of detection, high selectivity, high sensitivity and low cost. Herein, we focused on the timely topics of water pollution by organics, inorganics and micro-organisms represented by pesticides, metal ions and bacteria, respectively. We put the emphasis on the design of imprinted polymers and their composites and coatings by radical polymerization, oxidative polymerization of conjugated monomers or sol-gel chemistry. Whilst most imprinted polymers are used in conjunction with differential pulse or square wave voltammetry for sensing organics and metal ions, electrochemical impedance spectroscopy (EIS) appears as the chief technique for detecting bacteria. This successful combination of EIS and imprinting technology should be harnessed in the coming years in the case of bacteria. Interestingly, bacteria are not always probed by bacteria-imprinted polymers; we report here their detection by monitoring specific (macro)molecules that reflect bacterial activity, for example quorum sensing signaling molecules or flagella proteins. If much has been developed in the past decade with glassy carbon or gold electrodes, it is clear that carbon paste electrodes of imprinted polymers are more and more investigated due to their versatility. Shortlisted case studies were critically reviewed and discussed; clearly a plethora of tricky strategies of designing selective electrochemical sensors are offered to “Imprinters”. We anticipate this review will be of interest to experts and new comers in the field who are paying time and effort combining electrochemical sensors with MIP technology.

show abstract

Electrochemical sensor for detection of europium based on poly-catechol and ion-imprinted sol-gel film modified screen-printed electrode

Cited by 15 publications

References 37 publications

Applications of Molecularly Imprinted Films

Applications of Molecularly Imprinted Films

Towards Clean and Safe Water: A Review on the Emerging Role of Imprinted Polymer-Based Electrochemical Sensors

Towards Clean and Safe Water: A Review on the Emerging Role of Imprinted Polymer-Based Electrochemical Sensors

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